SimulatorBLOCK
mcp/joshuarileydev/simulator
Verdict
BLOCK
Grade
F
Trust score
37 /100
Exposed tools
5 4r · 1w · 0d
Transport
sse · stdio
License
—
Stars
53
01
Overview
From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.
A Model Context Protocol (MCP) server that provides programmatic control over iOS simulators. This server implements the MCP specification to expose simulator functionality through a standardized interface.
Features
- List available iOS simulators
- Boot and shutdown simulators
- Install .app bundles on simulators
- Launch installed apps by bundle ID
Installation
Add the following to your Claude Config JSON file
{
"mcpServers": {
"simulator": {
"command": "npx",
"args": [
"y",
"@joshuarileydev/simulator-mcp-server"
]
}
}
}Read from source at commit
ff3997ba6479OBSERVED · 2026-10-0802
Connect
Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.
claude-code
claude mcp add simulator-mcp-server -- npx -y @joshuarileydev/[email protected]
claude-desktop
{
"mcpServers": {
"simulator-mcp-server": {
"command": "npx",
"args": [
"-y",
"@joshuarileydev/[email protected]"
]
}
}
}03
Exposed tools (5)
4 read · 1 write · 0 destructive.
| Tool | Risk | Description |
|---|---|---|
boot_simulator | read | Boot an iOS simulator |
install_app | write | Install an app on a simulator |
launch_app | read | Launch an installed app on a simulator |
list_simulators | read | List all available iOS simulators |
shutdown_simulator | read | Shutdown an iOS simulator |
04
Trust audit
BLOCKgrade F · trust 37/100 Do not install this without reading the findings. The audit found something that could harm you or your machine.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | WARN |
| L1 | Static analysis of the code | FAIL |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- none-observed
- Network
- declared (6 observation(s))
- Shell
- declared (10 observation(s))
- Dependencies
- not all pinned
- Secrets in source
- none-found
Findings (25)
HIGHCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
node_modules/@types/node/sqlite.d.ts:81
exec(sql: string): void;
Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
HIGHCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
node_modules/depd/index.js:425
var deprecatedfn = new Function('fn', 'log', 'deprecate', 'message', 'site',Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
HIGHCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
node_modules/depd/index.js:427
'return function (' + args + ') {' +Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
HIGHCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
node_modules/function-bind/implementation.js:74
bound = Function('binder', 'return function (' + joiny(boundArgs, ',') + '){ return binder.apply(this,arguments); }')(binder);Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
HIGHCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
node_modules/shelljs/src/common.js:334
if (options.unix === false) { // this branch is for exec()Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
HIGHSupply chain · supply.typosquat · CWE-829, CWE-1357
node_modules/form-data/package.json
request ~ requests
Why it matters. dependency name one edit from a popular package
Fix. verify the package; likely typosquat
HIGHSupply chain · supply.typosquat · CWE-829, CWE-1357
node_modules/iconv-lite/package.json
request ~ requests
Why it matters. dependency name one edit from a popular package
Fix. verify the package; likely typosquat
MEDIUMInventory / provenance · inv.symlink · CWE-1104
node_modules/.bin/resolve
node_modules/.bin/resolve
Why it matters. link not followed
MEDIUMInventory / provenance · inv.symlink · CWE-1104
node_modules/.bin/shjs
node_modules/.bin/shjs
Why it matters. link not followed
MEDIUMInventory / provenance · inv.symlink · CWE-1104
node_modules/.bin/shx
node_modules/.bin/shx
Why it matters. link not followed
MEDIUMInventory / provenance · inv.symlink · CWE-1104
node_modules/.bin/tsc
node_modules/.bin/tsc
Why it matters. link not followed
MEDIUMInventory / provenance · inv.symlink · CWE-1104
node_modules/.bin/tsserver
node_modules/.bin/tsserver
Why it matters. link not followed
MEDIUMInformation disclosure · disclose.log_secret · CWE-209, CWE-532
node_modules/@types/node/url.d.ts:560
* console.log(myURL.password);
MEDIUMNetwork egress · net.beacon_words · CWE-200, CWE-319
node_modules/@types/node-fetch/index.d.ts:50
| "beacon"
MEDIUMObfuscation / stealth · obf.zero_width · CWE-506, CWE-94
node_modules/iconv-lite/encodings/sbcs-data-generated.js:100
"chars": "€پ‚ƒ„...†‡ˆ‰ٹ‹Œچژڈگ‘’“”•–—کTMڑ›œں ،¢£¤¥¦§ ̈©ھ«¬® ̄°±23 ́μ¶· ̧1؛»1⁄41⁄23⁄4؟ہءآأؤإئابةتثجحخدذرزسشصض×طظعغـفقكàلâمنهوçèéêëىيîïًٌٍَôُِ÷ّùْûüے"
MEDIUMObfuscation / stealth · obf.zero_width · CWE-506, CWE-94
node_modules/iconv-lite/encodings/sbcs-data-generated.js:373
"chars": "«»...“”�•‘’� กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาําิีึืฺุู–—฿เแโใไๅๆ็่้๊๋์ํTM๏๐๑๒๓๔๕๖๗๘๙®©����"
LOWInventory / provenance · inv.hidden_file · CWE-1104
node_modules/.package-lock.json
.package-lock.json
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
node_modules/concat-map/.travis.yml
.travis.yml
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
node_modules/function-bind/.nycrc
.nycrc
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
node_modules/hasown/.nycrc
.nycrc
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
node_modules/is-core-module/.nycrc
.nycrc
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWFilesystem / path · fs.traversal · CWE-22, CWE-59
node_modules/resolve/test/resolver/multirepo/packages/package-a/index.js:9
var expected = path.join(__dirname, '../../node_modules/jquery/dist/jquery.js');
LOWFilesystem / path · fs.traversal · CWE-22, CWE-59
node_modules/resolve/test/resolver/multirepo/packages/package-a/index.js:19
assert.equal(resolve.sync('../../node_modules/jquery', { basedir: basedir, preserveSymlinks: false }), expected);LOWFilesystem / path · fs.traversal · CWE-22, CWE-59
node_modules/resolve/test/resolver/multirepo/packages/package-a/index.js:33
assert.equal(resolve.sync('../../../../../node_modules/jquery', { basedir: basedir, preserveSymlinks: true }), expected);LOWFilesystem / path · fs.traversal · CWE-22, CWE-59
node_modules/resolve/test/resolver/without_basedir/main.js:1
var resolve = require('../../../');Gates applied: no_behavioural_pass.
Audited 2026-10-08 · audit v0.4.1 · source sha
ff3997ba6479full audit observations/trust-audit/mcp-server/joshuarileydev__simulator.json · Report an issue / request a re-scan05
Audit history
Every audit this server has had. A grade with a past is a grade somebody is still checking.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-08 | ff3997ba6479 | BLOCK | F | 37 | first audit |
06
Questions
What tools does Simulator expose?
5 in total: 4 read-only, 1 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.
Is Simulator safe to connect to an agent?
No — not without reading the findings first. The audit graded it F (37/100) and found 7 critical or high issues in the source. Each one is listed on this page with the file and line it is on.
What credentials does Simulator need?
No credential environment variables were found in its source, so it appears to need none.
How does Simulator run?
It speaks sse and stdio, so it runs as a local process your client starts. It is published on npm as @joshuarileydev/simulator-mcp-server at 0.0.1.
How current is this page?
The grade is for one exact copy of the source (ff3997ba6479), read on 2026-10-08. The repository is watched and re-audited when it changes.